25510472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 55883520

約数和(自身を除く): 30373048

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 47, 52, 68, 94, 104, 136, 188, 221, 307, 376, 442, 611, 614, 799, 884, 1222, 1228, 1598, 1768, 2444, 2456, 3196, 3991, 4888, 5219, 6392, 7982, 10387, 10438, 14429, 15964, 20774, 20876, 28858, 31928, 41548, 41752, 57716, 67847, 83096, 115432, 135694, 187577, 245293, 271388, 375154, 490586, 542776, 750308, 981172, 1500616, 1962344, 3188809, 6377618, 12755236, 25510472]

約数ペア:

[(1, 25510472), (2, 12755236), (4, 6377618), (8, 3188809), (13, 1962344), (17, 1500616), (26, 981172), (34, 750308), (47, 542776), (52, 490586), (68, 375154), (94, 271388), (104, 245293), (136, 187577), (188, 135694), (221, 115432), (307, 83096), (376, 67847), (442, 57716), (611, 41752), (614, 41548), (799, 31928), (884, 28858), (1222, 20876), (1228, 20774), (1598, 15964), (1768, 14429), (2444, 10438), (2456, 10387), (3196, 7982), (3991, 6392), (4888, 5219)]